package com.atguigu.springcloud.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.annotation.Order;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.time.LocalDateTime;

/**
 * @author : wenchao.long
 * @date : Created in 2020/12/19 21:17:16 周六
 * @description :
 */
@Component
@Order(-1)
@Slf4j
public class LogGateWayFilter implements GlobalFilter {

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        log.info("*****************进入全局过滤" + LocalDateTime.now());
        final String uname = exchange.getRequest().getQueryParams().getFirst("uname");
        if (uname == null) {
            log.info("******用户名为null，非法用户");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
            return exchange.getResponse().setComplete();
        }
        return chain.filter(exchange);
    }

}
